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Two loudspeakers emit sound waves along the x-axis. Speaker 2 is 3.5 m behind speaker 1. Both loudspeakers are connected to the same signal generator, which is oscillating at 303.0 Hz. What is the phase difference? (Assume vsound=340.0 m/s) The speakers are now placed side by side. If the wire to speaker 1 is passed through a box that delays the signal by 1.68 ms, what is the new phase difference?

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